No Gateway is active

Question

Hi All, 
 When trying to start the server I am getting the errors stating 'NO GATEWAY IS ACTIVE'. Can anyone please let me know how to proceed. Thanks in Advance.

kondetiv · Answer

Muneer Varma Just apply our classic engineering solution that is not doing anything but only restarting engines. 
 
1.Stop Appian 
2.Stop or kill any processes that are running on the ports reserved for the engines. 
3.Start the engines. 
4.Run checkengine.bat|sh to confirm that the engines have successfully started.

Muneer Varma · Answer

The reasons for this issue are 1) The space available to store appian logs was 100% used and 2) /boot was 99%. We cleaned up the space and server worked just fine.

catalinp · Answer

In additions of what kondetiv ealier: 
1.Stop Appian 
2.Stop or kill any processes that are running on the ports reserved for the engines. 
3.Start the engines. 
4.Run checkengine.bat|sh to confirm that the engines have successfully started. 
 
you can check: 
1. the firewall to see if can communicate with DB 
2. if have you a tool that restrict the environment like SeLinux, to check the audit file if it's blocking something 
3. check if the DB isn't corrupted due a hard reset/shutdown